<?php
function p($arr){
    echo "<pre>";
    print_r($arr);
    die;
}

function timeDiff($unixTime_1, $unixTime_2) {
    $timediff = abs($unixTime_2 - $unixTime_1);

    //计算天数

    $days = intval($timediff / 86400);

    //计算小时数

    $remain = $timediff % 86400;

    $hours = intval($remain / 3600);

    //计算分钟数

    $remain = $remain % 3600;

    $mins = intval($remain / 60);

    //计算秒数

    $secs = $remain % 60;

    return ['day' => $days, 'hour' => $hours, 'min' => $mins, 'sec' => $secs];

}
